Project - Analysis of a practical automotive wiring circuit

1.Battery

Starter

Generator

Distributor

Breaker

Current and voltage regulator

Foot selector switch

Light switch

Junction block

Ammeter

2 STARTER

Starter, in case of diesel or petrol vehicles, to start the engine starter is required it is powered from battery, and the shaft of the starter is connected to crank shaft so the engine gets started and it is maintained over in a minimum required RPM

After the engine started,the starter will be automatically cut off, starter is also like an motor it has high torque with speed

GENERATOR

Battery can't provide the power for so long and it should be charged again and again so the generator is used to compensate the required Power of vehicle to operate the electrical objects like light, sensors and it will even charge the battery, it is connected to the crank shaft mechanically, and the generator produced power is passed to the current and voltage regulator, cause it can't produce constant power because engine's RPM wonybe constant, we will accelerate or slow down according to our requirements, it produces power according to engine RPM so the voltage and current regulator, regulates the voltage and current

Battery

It is the Major element in the vehicle, without a battery we can start the vehicle, but it's operation are less , battery start the starter,to start the engine and it will provide the power to the voltage and current regulator,if the generator can't generate required Power to run the electrical components, the battery power will be used to compensate it

3 if the total load is 10A,

The fuse rating should be 125% of the total load

So the fuse should be 12.5A

The overall fuse can be used is 13A

4 given

Load =500W

Voltage=12v

Battery capacity=load/volt =500/12=41.6A

The battery capacity should be 12v 42A for the load of 500W

5 tail light and break are connected in parallel, because to distribute the equal amount of 12v to the lights

• 6 Ammeter, starter, battery are connected in series, cause in this wiring they didn't provide any separate negative terminal, they earthed the negative terminal, so if any negative power required for any components they can drawn from the chassis